About store

forum_thread

Database crash

just running objectdb we run into a crash situation as described in the attached log. What can be the reason for such a behaviour ?   ... [2017-07-10 11:22:12 #1 store] Database 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' is ... started by 10380@wzbhb101 [2017-07-10 23:06:55 #3 store] Database 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' is ... [2017-07-10 23:07:23 #1 store] Database 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' is ...

 
manual

Storing JPA Entity Objects

Explains how to use JPA to store (persist) entity objects in the database.... Global Cascading Persist Batch Store Explicit Persist The following code stores ... unit definition (in persistence.xml ). Batch Store Storing a large number of entity objects requires special ...

 
manual

CRUD Database Operations with JPA

Shows how to use Java/JPA to store, retrieve, update & delete.... a JPA connection to the object database, we can use it to store, retrieve, update and delete database objects. Storing New Entity ...

 
manual

CRUD Operations with JPA

Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove). The following subsections explain how to use JPA for CRUD database operations: Storing JPA Entity Objects Retrieving JPA Entity Objects Updating JPA Entity Objects Deleting JPA Entity Objects ...

 
manual

Chapter 3 - Using JPA

Explains how to store, retrieve, update and delete entity objects using JPA. This chapter explains how to manage ObjectDB databases using the Java Persistence API (JPA). The first two pages introduce basic JPA interfaces and concepts: Database Connection using JPA Working with JPA Entity Objects ...

 
api-jdo

javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager

This interface is a convenience interface that allows an instance to implement both ObjectIdFieldSupplier and ObjectIdFieldConsumer.(Interface of JDO)

 
forum_thread

Storing Images

What is the best way to store images? As external files? In the database as blobs? Are blobs supported?... What is the best way to store images? As external files? In the database as blobs? Are blobs ... 23:28 i use odb to store images, in a complex, persistent uml model based on Eclipse EMF/UML2. ...

 
api-jdo

javax.jdo.PersistenceManagerFactory

The PersistenceManagerFactory is the interface to use to obtain PersistenceManager instances.(Interface of JDO)

 
forum_thread

Storing XML files in ObjectDB

Hello, Is it possible to store XML files in ObjectDB?   Thanks ... Hello, Is it possible to store XML files in ObjectDB?   Thanks ... ObjectDB can be used to store any type of data including XML. For example, you can define a ...

 
forum_thread

OneToMany and cascade delete problem

Hi, I don't really know if this is a bug or maybe model that I make is bad. I have a problem with with two different classes with OneToMany relation to one, shared class. For example (first class): @Entity public static class Store { @OneToMany(targetEntity = Offer.class, mappedBy = "store") private List<Offer> offers; } second class: ... @ Entity public static class Store {   @ OneToMany ( targetEntity = Offer. class , mappedBy = "store" ) private List<Offer> offers ; } ...